How many chill hours does 99750 get?

99750 averages 808 chill hours per winter, ranging from 483 to 1069 across the last 10 years.

What hardiness zone is 99750?

99750 is in USDA hardiness zone 3a.

Location almanac

The short answer

99750 averages 808 chill hours per winter (483–1,069 across 10 years) in USDA zone 3a.

99750 climate
Average chill hours	808 (483–1,069 across 10 winters)
USDA hardiness zone	3a
Last spring frost	typically May 24 – June 10
First fall frost	typically September 8 – September 24

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against 99750’s chill hours and zone:

Chill and zone requirements are comfortably met in 99750.

Show 40 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

Marginal varieties for this location
Variety	Fruit
Cresthaven	Peach

How many chill hours does 99750 get?: 99750 averages 808 chill hours per winter, ranging from 483 to 1069 across the last 10 years.
What hardiness zone is 99750?: 99750 is in USDA hardiness zone 3a.

Growing fruit trees in 99750? Get a care calendar anchored to this exact climate, with email reminders.

[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026